Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had aching head so bad it felt like your skull was splitting? I when seemed like that, curled up in bed, not able to face the light. I was dealing with sphenoid sinusitis, a condition that can actually mess with your life. https://sleepapneasymptoms17272.bloginder.com/32120625/facts-about-sphenoid-sinusitis-revealed